I'm just taking a stab at this; so, if anyone else has a better answer ...
natural logs are logs to the base e where e ≈ 2.7182818285... {an irrational number).
ln(212) / ln(5) is the quotient of ln(212) divided by ln(5)
This number would be the solution to the equation: 5^x = 212.
I'm just taking a stab at this; so, if anyone else has a better answer ...
natural logs are logs to the base e where e ≈ 2.7182818285... {an irrational number).
ln(212) / ln(5) is the quotient of ln(212) divided by ln(5)
This number would be the solution to the equation: 5^x = 212.